Water quality tester, purity filter, TDS tester for domestic drinking water, swimming pools, aquariums, hydroponics, etc., yellow (blue)

1. The TDS tester can be used for: water purifiers and filters, food (vegetables, fruits) and beverage quality control, swimming pools and spas, aquariums, hydroponics, etc.

2. Hold function: saves measurements for easy reading and recording. 3. Auto-off function: turns off the device after 10 minutes of inactivity to save battery power. 4. Press the TEMP button to set the temperature between Fahrenheit and Celsius. 5. Applicable sectors: water analysis laboratories, CDC, aquaculture industry, hospitals, swimming pools, tap water quality testing.